Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

31NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
Light Wind
< 1ft
Tonight
Low: 70 °F
S 10kt⇓
< 1ft
Saturday
High: 86 °F
⇑S 10kt
< 1ft
Saturday Night
Low: 72 °F
S 10kt
1-2ft
Sunday
High: 85 °F
⇑SE 15kt
1ft
Sunday Night
Low: 72 °F
SSE 10kt
1ft
Monday
High: 85 °F
SSW 10kt
1ft
Monday Night
Low: 71 °F
Light Wind
1ft
Tuesday
High: 85 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:46 pm EDT Jul 31, 2026
Forecast Valid: 1pm EDT Jul 31, 2026-6pm EDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Tonight

S wind 7 to 10 kt decreasing to 5 to 8 kt after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

S wind 5 to 10 kt. Mostly cloudy. Waves 1 to 2 ft.

Sunday

SE wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. A slight chance of showers after 2pm. Waves around 1 ft.

Sunday Night

SSE wind 5 to 10 kt becoming S after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Waves around 1 ft.

Monday

SSW wind 5 to 10 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Waves around 1 ft.

Monday Night

Variable winds 5 kt or less. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Waves around 1 ft.

Tuesday

Variable winds 5 kt or less. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves around 1 ft.

Winds and seas higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.